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SubjectRe: [PATCH] i386 IOAPIC: de-fang IRQ compression
On Tue, 4 Dec 2007 13:26:49 +0100
Ingo Molnar <mingo@elte.hu> wrote:

> * Len Brown <lenb@kernel.org> wrote:
>
> > So while the irq compression code on i386 should really
> > be deleted -- even before merging the x86_64 irq-overhaul,
> > this patch simply disables it on all high volume systems
> > to avoid problems #1 and #2 on most all i386 systems.
> >
> > A large system with pin numbers >=64 will still have compression
> > to conserve limited IRQ numbers for sparse IOAPICS. However,
> > the vast majority of the planet, those with only pin numbers < 64
> > will use an identity GSI -> IRQ mapping.
> >
> > Signed-off-by: Len Brown <len.brown@intel.com>
>
> thanks for the patch and the extensive description. I've applied this to
> x86.git.

Len applied it to his tree too.


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